21726272

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1051}}^1$

素因数の和:1099

約数の個数: 56

約数和(自身を含む): 48097440

約数和(自身を除く): 26371168

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1051, 1088, 1216, 1292, 2102, 2584, 4204, 5168, 8408, 10336, 16816, 17867, 19969, 20672, 33632, 35734, 39938, 67264, 71468, 79876, 142936, 159752, 285872, 319504, 339473, 571744, 639008, 678946, 1143488, 1278016, 1357892, 2715784, 5431568, 10863136, 21726272]

約数ペア:

[(1, 21726272), (2, 10863136), (4, 5431568), (8, 2715784), (16, 1357892), (17, 1278016), (19, 1143488), (32, 678946), (34, 639008), (38, 571744), (64, 339473), (68, 319504), (76, 285872), (136, 159752), (152, 142936), (272, 79876), (304, 71468), (323, 67264), (544, 39938), (608, 35734), (646, 33632), (1051, 20672), (1088, 19969), (1216, 17867), (1292, 16816), (2102, 10336), (2584, 8408), (4204, 5168)]